500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03 27
Description
Schematic sketches for
fuse tripping
Furthermore, the specified HV HRC fuses release the striker depending on
the temperature and trip the switch-disconnector as early as in the fuse overload range.
Impermissible heating of the fuse box can be avoided in this way.
7.6 Cable connection
Cable connections with bolted contact for ring-main and circuit-breaker feeders
Features
Fig. 18: Cable connection for ring-main and circuit-breaker feeders (example Euromold K400 TB)
• For bushings according to EN 50 181/DIN EN 50 181 (interface type C with bolted
contact M16)
• For thermoplastic-insulated cables
• For paper-insulated mass-impregnated cable with adapter systems
• Access to the cable compartment only if the feeder has been disconnected and
earthed
• As screened (semi-conductive) version independent of the site altitude
• Connection of cable elbow plugs or cable T-plugs with bolted contact M16 for 630 A,
paper-insulated mass-impregnated cables via customary adapters, power cables as
thermoplastic-insulated single-core cables with the corresponding plugs and adapters
mentioned above
Fuse-link in service condition
Fuse tripped by striker
Fuse tripped by overpressure, e.g. if fault current is less than I
min
and if HV HRC fuse has been inserted incorrectly
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